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Math

Area of ​​a triangle using Heron's formula

calculator calculates the area of ​​a triangle after a length of three sides.                


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Weighted average ratings

The calculator calculates the weighted average of the ratings of the following items.              
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Conversion between number bases

Converter allows you to convert numbers between number bases - binary (binary), trójkowym, czwórkowym, Friday, szóstkowym, siódemkowym, octal (octal), dziewiątkowym, decimal (decymalnym) jedenastkowym, dwunastkowym, trzynastkowym, czternastkowym, piętnastkowym, hexadecimal (hex). Typed characters that are not numbers and the letters A, B, C, D, E, F are ignored.      
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Trigonometric functions calculator

Calculator by entering an angle in degrees or radians calculated values ​​of the basic trigonometric functions.
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Gross-Net Calculator prices of goods and services in Poland

Jak obliczyć kwotę brutto z uwzględnieniem podatku VAT? Jak obliczyć kwotę netto z uwzględnieniem podatku VAT?
It allows you to calculate the amount of gross or net price including VAT
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Calculator floor panels

Calculator based on the dimensions of the area to put the panels and occupancy data on number of panels in one package, calculate how much you have to buy packages of panels to cover the entire room.                          
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Physical

Parallel connection of resistors

The calculator calculates the equivalent resistance of two resistors connected in parallel.            
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Medical

Oxygenation index calculator

Calculator to the data calculated oxygenation index and provides the basis for health information. Oxygenation index (PaO2/FiO2) - the ratio of partial pressure of oxygen in arterial blood and the content of inspired oxygen (oxygen content represented in decimal form). Used in the assessment of respiratory function of the human body.                  
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Calculator cerebral blood flow (Cerebral Blood Flow)

Associated to the data calculated how much blood supply to the brain in one minute.